What is the cheapest airline that flies from Medford to Ontario?

United Airlines and Alaska Airlines are the most popular carriers operating from Medford to Ontario

What airlines fly to Ontario?

Alaska Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Ontario from Medford according to our data. Alaska Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Medford Airport to Ontario Airport?

Prices for flights from Medford Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Medford Airport to Ontario Airport?

The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of September 2026.

How old do you have to be to fly from Medford Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$120 Cheap Flights from Medford to Ontario in 2026/27

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Cheap round-trip flights

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9:52 pm - 9:09 amMFR Medford-ONT Ontario

11h 17m1 stop Las Vegas Harry Reid Intl

5:25 pm - 12:44 pmONT Ontario-MFR Medford

19h 19m1 stop Las Vegas Harry Reid Intl

$213Multiple Airlines

Fri, Oct 16 - Wed, Oct 21

9:52 pm - 9:09 amMFR Medford-ONT Ontario

11h 17m1 stop Las Vegas Harry Reid Intl

5:25 pm - 8:35 pmONT Ontario-MFR Medford

51h 10m2 stops Las Vegas Harry Reid Intl Santa Ana J. Wayne/Orange Cnty

$303Multiple Airlines

Fri, Oct 16 - Wed, Oct 21

1:05 pm - 7:04 amMFR Medford-ONT Ontario

17h 59m1 stop Las Vegas Harry Reid Intl

8:00 am - 3:59 pmONT Ontario-MFR Medford

7h 59m1 stop Las Vegas Harry Reid Intl

$310Multiple Airlines

Sun, Sep 27 - Thu, Oct 1

2:50 pm - 8:15 pmMFR Medford-ONT Ontario

5h 25m1 stop Portland

6:56 pm - 11:59 pmONT Ontario-MFR Medford

5h 03m1 stop Seattle/Tacoma Intl

$387Alaska Airlines

Sat, Oct 24 - Fri, Oct 30

10:33 am - 6:00 pmMFR Medford-ONT Ontario

7h 27m1 stop Seattle/Tacoma Intl

7:25 am - 12:03 pmONT Ontario-MFR Medford

4h 38m1 stop Portland

$387Alaska Airlines

Wed, Oct 14 - Wed, Oct 21

5:00 am - 12:46 pmMFR Medford-ONT Ontario

7h 46m1 stop Denver Intl

4:03 pm - 10:47 pmONT Ontario-MFR Medford

6h 44m1 stop San Francisco

$387United Airlines

Wed, Oct 7 - Fri, Oct 9

1:00 pm - 8:51 pmMFR Medford-ONT Ontario

7h 51m1 stop Denver Intl

6:00 am - 11:45 amONT Ontario-MFR Medford

5h 45m1 stop San Francisco

$387United Airlines

Fri, Oct 30 - Mon, Nov 2

6:11 am - 11:16 amMFR Medford-ONT Ontario

5h 05m1 stop Seattle/Tacoma Intl

5:59 pm - 11:27 pmONT Ontario-MFR Medford

5h 28m1 stop Seattle/Tacoma Intl

$387Delta

Sun, Oct 25 - Sat, Nov 14

6:11 am - 11:16 amMFR Medford-ONT Ontario

5h 05m1 stop Seattle/Tacoma Intl

5:59 pm - 11:27 pmONT Ontario-MFR Medford

5h 28m1 stop Seattle/Tacoma Intl

$387Delta

Sun, Oct 25 - Wed, Nov 11

5:33 am - 11:18 amMFR Medford-ONT Ontario

5h 45m1 stop Seattle/Tacoma Intl

4:09 pm - 11:59 pmONT Ontario-MFR Medford

7h 50m1 stop Seattle/Tacoma Intl

$387Alaska Airlines

Mon, Nov 9 - Mon, Nov 16

Cheap last minute flights

Enter your travel dates to find the best prices.

12:35 pm - 5:18 pmMFR Medford-ONT Ontario

4h 43m1 stop Portland

12:12 pm - 6:21 pmONT Ontario-MFR Medford

6h 09m1 stop Seattle/Tacoma Intl

$581Alaska Airlines

Tue, Sep 22 - Fri, Sep 25

1:34 pm - 7:03 pmMFR Medford-ONT Ontario

5h 29m1 stop Seattle/Tacoma Intl

10:47 am - 3:41 pmONT Ontario-MFR Medford

4h 54m1 stop Portland

$581Alaska Airlines

Sat, Sep 19 - Mon, Sep 21

3:10 pm - 8:24 pmMFR Medford-ONT Ontario

5h 14m1 stop Portland

12:12 pm - 6:21 pmONT Ontario-MFR Medford

6h 09m1 stop Seattle/Tacoma Intl

$581Alaska Airlines

Thu, Sep 17 - Sat, Sep 19

2:07 pm - 8:01 pmMFR Medford-ONT Ontario

5h 54m1 stop San Francisco

5:00 am - 1:02 pmONT Ontario-MFR Medford

8h 02m1 stop Denver Intl

$631United Airlines

Fri, Sep 18 - Mon, Sep 28

2:07 pm - 8:01 pmMFR Medford-ONT Ontario

5h 54m1 stop San Francisco

5:00 am - 1:01 pmONT Ontario-MFR Medford

8h 01m1 stop Denver Intl

$631United Airlines

Thu, Sep 17 - Sun, Sep 20

3:10 pm - 8:24 pmMFR Medford-ONT Ontario

5h 14m1 stop Portland

6:14 pm - 10:49 pmONT Ontario-MFR Medford

4h 35m1 stop Portland

$631Alaska Airlines

Fri, Sep 18 - Sun, Sep 20

12:35 pm - 5:18 pmMFR Medford-ONT Ontario

4h 43m1 stop Portland

10:47 am - 3:41 pmONT Ontario-MFR Medford

4h 54m1 stop Portland

$631Alaska Airlines

Fri, Sep 18 - Sun, Sep 20

2:07 pm - 8:01 pmMFR Medford-ONT Ontario

5h 54m1 stop San Francisco

6:08 am - 12:02 pmONT Ontario-MFR Medford

5h 54m1 stop San Francisco

$631United Airlines

Fri, Sep 18 - Mon, Sep 21

6:00 am - 11:16 amMFR Medford-ONT Ontario

5h 16m1 stop Seattle/Tacoma Intl

3:14 pm - 10:49 pmONT Ontario-MFR Medford

7h 35m2 stops Seattle/Tacoma Intl Portland

$777Alaska Airlines

Fri, Sep 18 - Mon, Sep 28

1:34 pm - 7:03 pmMFR Medford-ONT Ontario

5h 29m1 stop Seattle/Tacoma Intl

7:59 pm - 11:58 amONT Ontario-MFR Medford

15h 59m2 stops Seattle/Tacoma Intl Portland

$817Alaska Airlines

Tue, Sep 22 - Fri, Sep 25

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Alaska Airlines flights from Medford to Ontario

Our best Alaska Airlines deals on Medford to Ontario flight tickets

Alaska Airlines

Oct 5

MFR6:37 pmMedford

5h 05m

1 stop

ONT11:42 pmOntario

Oct 9

ONT11:13 amOntario

6h 47m

1 stop

MFR6:00 pmMedford

$395

Alaska Airlines

Oct 29

MFR1:23 pmMedford

4h 37m

1 stop

ONT6:00 pmOntario

Nov 2

ONT7:13 pmOntario

14h 21m

1 stop

MFR9:34 amMedford

$396

Alaska Airlines

Oct 10

MFR6:37 pmMedford

15h 40m

1 stop

ONT10:17 amOntario

Oct 17

ONT7:25 amOntario

4h 38m

1 stop

MFR12:03 pmMedford

$406

Delta flights from Medford to Ontario

Our best Delta deals on Medford to Ontario flight tickets

Delta

Oct 25

MFR5:25 pmMedford

5h 18m

1 stop

ONT10:43 pmOntario

Nov 13

ONT5:59 pmOntario

5h 28m

1 stop

MFR11:27 pmMedford

$387

Delta

Oct 7

MFR5:15 amMedford

7h 21m

1 stop

ONT12:36 pmOntario

Oct 9

ONT6:00 pmOntario

5h 18m

1 stop

MFR11:18 pmMedford

$476

Delta

Sep 30

MFR5:29 pmMedford

5h 11m

1 stop

ONT10:40 pmOntario

Oct 4

ONT6:00 amOntario

6h 46m

1 stop

MFR12:46 pmMedford

$507

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MedfordOntario

MFR Medford - ONT Ontario

MFRONT

Medford

Fri 10/16

9:52 pm-9:09 am

1 stop11h 17m

Ontario

Wed 10/21

5:25 pm-12:44 pm

1 stop19h 19m

$213

MedfordOntario

MFR Medford - ONT Ontario

MFRONT

Medford

Fri 10/16

9:52 pm-9:09 am

1 stop11h 17m

Ontario

Wed 10/21

5:25 pm-8:35 pm

2 stops51h 10m

$303

MedfordOntario

MFR Medford - ONT Ontario

MFRONT

Medford

Sun 9/27

1:05 pm-7:04 am

1 stop17h 59m

Ontario

Thu 10/1

8:00 am-3:59 pm

1 stop7h 59m

$310

Quickest round-trip

MedfordOntario

MFR Medford - ONT Ontario

MFRONT

Medford

Sat 10/24

2:50 pm-8:15 pm

1 stop5h 25m

Ontario

Fri 10/30

6:56 pm-11:59 pm

1 stop5h 03m

$387

MedfordOntario

MFR Medford - ONT Ontario

MFRONT

Medford

Wed 10/14

10:33 am-6:00 pm

1 stop7h 27m

Ontario

Wed 10/21

7:25 am-12:03 pm

1 stop4h 38m

$387

MedfordOntario

MFR Medford - ONT Ontario

MFRONT

Medford

Wed 10/7

5:00 am-12:46 pm

1 stop7h 46m

Ontario

Fri 10/9

4:03 pm-10:47 pm

1 stop6h 44m

$387

MedfordOntario

MFR Medford - ONT Ontario

MFRONT

Medford

Fri 10/30

1:00 pm-8:51 pm

1 stop7h 51m

Ontario

Mon 11/2

6:00 am-11:45 am

1 stop5h 45m

$387

MedfordOntario

MFR Medford - ONT Ontario

MFRONT

Medford

Sun 10/25

6:11 am-11:16 am

1 stop5h 05m

Ontario

Sat 11/14

5:59 pm-11:27 pm

1 stop5h 28m

$387

MedfordOntario

MFR Medford - ONT Ontario

MFRONT

Medford

Sun 10/25

6:11 am-11:16 am

1 stop5h 05m

Ontario

Wed 11/11

5:59 pm-11:27 pm

1 stop5h 28m

$387

MedfordOntario

MFR Medford - ONT Ontario

MFRONT

Medford

Mon 11/9

5:33 am-11:18 am

1 stop5h 45m

Ontario

Mon 11/16

4:09 pm-11:59 pm

1 stop7h 50m

$387

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Medford to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Medford to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $167. If you aren’t able to travel during the month of February, then book flights to Ontario from Medford during March instead. Flights to Ontario in March, while not as cheap as those in February, still average around $262.

How have Medford to Ontario flight prices changed over time?

When to book flights from Medford to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Medford to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Medford to Ontario (MFR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Medford to Ontario

Best Price Found	$120
Fastest flight time	4h 23m
Direct flights	None

The best one-way flight to Ontario from Medford in the past 72 hours is $120. The best round-trip flight deal from Medford to Ontario found on momondo in the last 72 hours is $213.

The fastest flight from Medford to Ontario takes 4h 23m

There are no direct flights from Medford to Ontario. There are no popular flight routes from Medford to Ontario.

Search flight deals

Frequently asked questions about flying from Medford to Ontario

How far is Medford to Ontario by plane?
The distance between Medford and Ontario is about 636.8 mi. Typically, this will take 4h 23m by plane in normal conditions.
When did momondo last update prices for flights from Medford Airport to Ontario Airport?
Prices for flights from Medford Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Medford Airport to Ontario Airport?
The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of September 2026.
How old do you have to be to fly from Medford Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Medford to Ontario?
momondo data reveals that the most frequently booked airline on the route from Medford to Ontario is Alaska Airlines, representing 47% of all bookings. The subsequent popular airlines are United Airlines at 36% and Delta at 16%.

Best airlines flying from Medford to Ontario

Compare and see reviews for airlines that fly from Medford to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $121	Free Cancellation	Rating 7.8 8,579 reviews	Search Delta flights
Alaska Airlines	PriceFrom $220	Free Cancellation	Rating 7.9 12,937 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $239	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Medford to Ontario?

It is quick and easy to find Medford to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Medford to Ontario with flexible booking policies on momondo?

All flight searches from Medford to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Medford to Ontario?

momondo helps you find the best flight between Medford and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Medford to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Medford and alert you when they change.

An easier way to manage your Ontario trip

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Cheap flights from Medford to Los Angeles from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Medford to Los Angeles departing on 10/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Alaska Airlines flights from Medford to Ontario

Our best Alaska Airlines deals on Medford to Ontario flight tickets

Delta flights from Medford to Ontario

Our best Delta deals on Medford to Ontario flight tickets

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How to get the cheapest flight ticket from Medford to Ontario

What is the cheapest month to fly to Ontario?

How have Medford to Ontario flight prices changed over time?

What is the cheapest airline that flies from Medford to Ontario?

What airlines fly to Ontario?

When to book flights from Medford to Ontario

Cheap Medford to Ontario (MFR to ONT) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Medford to Ontario

Best airlines flying from Medford to Ontario

Compare and see reviews for airlines that fly from Medford to Ontario with momondo

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favorite airline to Los Angeles

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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